[INFO] updating cached repository https://github.com/anjukibeti/vpnagraq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e68ff2ba6a70ed5c298bee54a450d9e83a820c1c
[INFO] testing anjukibeti/vpnagraq against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanjukibeti%2Fvpnagraq" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anjukibeti/vpnagraq on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/anjukibeti/vpnagraq
[INFO] finished tweaking git repo https://github.com/anjukibeti/vpnagraq
[INFO] tweaked toml for git repo https://github.com/anjukibeti/vpnagraq written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/anjukibeti/vpnagraq already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be9033b65bbf061212b87c93fe7d800e7840049d4a4ad9243fc785340dbd47ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "be9033b65bbf061212b87c93fe7d800e7840049d4a4ad9243fc785340dbd47ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be9033b65bbf061212b87c93fe7d800e7840049d4a4ad9243fc785340dbd47ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be9033b65bbf061212b87c93fe7d800e7840049d4a4ad9243fc785340dbd47ad", kill_on_drop: false }`
[INFO] [stdout] be9033b65bbf061212b87c93fe7d800e7840049d4a4ad9243fc785340dbd47ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71f672d186805a198154b6cf8b2a3efcedbf054ff47e10fa030ce607608d8bde
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71f672d186805a198154b6cf8b2a3efcedbf054ff47e10fa030ce607608d8bde", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.18
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.5
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling num_cpus v1.2.0
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling daemonize v0.2.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling xmltree v0.3.2
[INFO] [stderr]    Compiling vpncloud v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling aligned_alloc v0.1.2
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr] error: failed to run custom build command for `vpncloud v0.8.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/vpncloud-54db9d12cc2643f6/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] PROFILE = Some("debug")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] debug=true opt-level=0
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-m64" "-fPIC" "-I" "src" "-o" "/opt/rustwide/target/debug/build/vpncloud-0a68ebbb5f606eed/out/src/c/tuntap.o" "-c" "src/c/tuntap.c"
[INFO] [stderr] ExitStatus(ExitStatus(0))
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr] AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_AR = None
[INFO] [stderr] AR = None
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] running: "ar" "crs" "/opt/rustwide/target/debug/build/vpncloud-0a68ebbb5f606eed/out/libtuntap.a" "/opt/rustwide/target/debug/build/vpncloud-0a68ebbb5f606eed/out/src/c/tuntap.o"
[INFO] [stderr] ExitStatus(ExitStatus(0))
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] cargo:rustc-link-lib=static=tuntap
[INFO] [stderr] cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/vpncloud-0a68ebbb5f606eed/out
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:21:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55b144740705 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55b144740705 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55b144740705 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55b144740705 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5fe20777f4174074
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55b14476496c - core::fmt::write::he14c3177144df275
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x55b14473c853 - std::io::Write::write_fmt::h8e26323bfab8bcc5
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55b144742d90 - std::sys_common::backtrace::_print::h9cfa4c87526ba064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55b144742d90 - std::sys_common::backtrace::print::h94936584848b3272
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55b144742d90 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55b144742adc - std::panicking::default_hook::h556d8cff6c12a651
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55b144743377 - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x55b144742f7b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x55b144763d71 - core::panicking::panic_fmt::h106d7128cbbc7cd2
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x55b144763b93 - core::option::expect_none_failed::hfcafefc70a7975bb
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x55b1447168a0 - core::result::Result<T,E>::unwrap::hc2276ff03a1545db
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x55b1446fdf86 - build_script_build::main::h59c16778f99c973f
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:21
[INFO] [stderr]   16:     0x55b1446fec7b - std::rt::lang_start::{{closure}}::hc510fd51045e26b0
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55b144743748 - std::rt::lang_start_internal::{{closure}}::hefb489d56a389b75
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55b144743748 - std::panicking::try::do_call::hb2bfa58b743656f1
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x55b144743748 - std::panicking::try::haaa85a89ce3784c3
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55b144743748 - std::panic::catch_unwind::h49baa277f74e60cb
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55b144743748 - std::rt::lang_start_internal::h7aa2f6739b31fe58
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55b1446fec57 - std::rt::lang_start::hd861c82c28d8583c
[INFO] [stderr]                                at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55b1446fe8ea - main
[INFO] [stderr]   24:     0x7f1401fe20b3 - __libc_start_main
[INFO] [stderr]   25:     0x55b1446fd19e - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "71f672d186805a198154b6cf8b2a3efcedbf054ff47e10fa030ce607608d8bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71f672d186805a198154b6cf8b2a3efcedbf054ff47e10fa030ce607608d8bde", kill_on_drop: false }`
[INFO] [stdout] 71f672d186805a198154b6cf8b2a3efcedbf054ff47e10fa030ce607608d8bde